CN104631266B - Normal-temperature asphalt pavement cold-mixed and cold-paved construction technology - Google Patents
Normal-temperature asphalt pavement cold-mixed and cold-paved construction technology Download PDFInfo
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- CN104631266B CN104631266B CN201410841881.XA CN201410841881A CN104631266B CN 104631266 B CN104631266 B CN 104631266B CN 201410841881 A CN201410841881 A CN 201410841881A CN 104631266 B CN104631266 B CN 104631266B
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- 239000010426 asphalt Substances 0.000 title claims abstract description 36
- 238000005516 engineering process Methods 0.000 title claims abstract description 19
- 239000000203 mixture Substances 0.000 claims abstract description 38
- 238000002156 mixing Methods 0.000 claims abstract description 31
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 27
- 239000007788 liquid Substances 0.000 claims abstract description 22
- 239000000463 material Substances 0.000 claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 10
- 239000010959 steel Substances 0.000 claims abstract description 10
- 238000001514 detection method Methods 0.000 claims abstract description 8
- 229920001971 elastomer Polymers 0.000 claims abstract description 7
- 238000002360 preparation method Methods 0.000 claims abstract description 7
- 238000010438 heat treatment Methods 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims abstract description 6
- 150000001875 compounds Chemical class 0.000 claims description 24
- 239000002344 surface layer Substances 0.000 claims description 13
- 239000000843 powder Substances 0.000 claims description 8
- 239000004567 concrete Substances 0.000 claims description 7
- 239000003292 glue Substances 0.000 claims description 7
- 239000004568 cement Substances 0.000 claims description 6
- 230000008595 infiltration Effects 0.000 claims description 6
- 238000001764 infiltration Methods 0.000 claims description 6
- 239000000839 emulsion Substances 0.000 claims description 5
- 239000004816 latex Substances 0.000 claims description 5
- 229920000126 latex Polymers 0.000 claims description 5
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- 230000001427 coherent effect Effects 0.000 claims description 4
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- 238000003197 gene knockdown Methods 0.000 claims description 4
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- 241001163600 Bathylaco nigricans Species 0.000 claims 1
- 238000003892 spreading Methods 0.000 abstract description 4
- 230000007480 spreading Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 5
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- 238000003801 milling Methods 0.000 description 5
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- 238000005457 optimization Methods 0.000 description 4
- YZKZXTBSUSEYQZ-UHFFFAOYSA-N 1-[(4-ethoxy-3-methoxyphenyl)methyl]-6,7-dimethoxy-3-methylisoquinoline;phosphoric acid Chemical compound OP(O)(O)=O.C1=C(OC)C(OCC)=CC=C1CC1=NC(C)=CC2=CC(OC)=C(OC)C=C12 YZKZXTBSUSEYQZ-UHFFFAOYSA-N 0.000 description 2
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- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C7/00—Coherent pavings made in situ
- E01C7/08—Coherent pavings made in situ made of road-metal and binders
- E01C7/18—Coherent pavings made in situ made of road-metal and binders of road-metal and bituminous binders
- E01C7/26—Coherent pavings made in situ made of road-metal and binders of road-metal and bituminous binders mixed with other materials, e.g. cement, rubber, leather, fibre
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Structures (AREA)
Abstract
The invention discloses a normal-temperature asphalt pavement cold-mixed and cold-paved construction technology. The construction technology comprises the following steps: preparation before construction, mixing of mixed materials, transportation of mixed materials, spreading and paving of the mixed materials, grinding and detection of results, wherein the blending refers to blending of a basalt aggregate, normal-temperature rapidly-strong asphalt liquid, a curing and water, with the sequence of firstly basalt aggregate, then the curing agent and water, and finally normal-temperature rapidly-strong asphalt liquid; the traditional thermal asphalt spreading and paving machine is adopted in and a manner of controlling the elevation under the guidance of a steel wire is adopted in the spreading and paving, and in the grinding step, a rubber tire type tire roller is adopted to roll the road surface. The normal-temperature asphalt pavement cold-mixed and cold-paved construction technology basically follows up the construction requirement and procedures of the hot-mix asphalt mixture pavement, the thermal-insulating heating link can be omitted due to no temperature control requirement, and the normal-temperature asphalt pavement cold-mixed and cold-paved construction technology is more convenient.
Description
Technical field
The present invention relates to a kind of asphalt pavement construction technique and in particular to a kind of normal temperature bituminous paving cold mixing cold-application construction work
Skill.
Background technology
Normal temperature bituminous paving is colded pressing asphaltic road-mix surface course for cold mixing cold-application, mixes hot black top mixture pavement contrast with heat
There is significant difference, necessarily have its particular/special requirement therefore in construction technology.
The design of Cold bituminous mixture, construction equipment and construction technology are systematically studied, and making
Experiment Road.Theoretical research and practical experience prove that hot-mixed bitumen pavement construction machinery can be completely used for normal temperature pitch and mixes
Close material pavement construction.Much better using rubber-tired roller consolidation effect, and the easy sizing of steel roller, surface is also easy to produce
Pitted skin.
Content of the invention
Goal of the invention: the present invention is directed to deficiency, proposes a kind of completely compatible hot asphalt construction equipment, construction technology letter
The normal temperature bituminous paving cold mixing cold-application construction technology single, easy to operate, repairing effect is good.
Technical scheme: a kind of normal temperature bituminous paving cold mixing cold-application construction technology of the present invention it is characterised in that: include
Following steps:
(1) preparation of construction: the relevant technique preparation before Cold bituminous mixture construction has been constructed with hot-mix asphalt mixture
Exactly the same, according to jtg f40-2004 execution；
(2) mixing: by basalt aggregate, the strong bituminous liquids of normal temperature speed, curing agent and water mixing, feeding sequence is first
Basalt aggregate, secondly curing agent and water, is finally the strong bituminous liquids of normal temperature speed, and the parts by weight of wherein basalt aggregate are
100 parts, the parts by weight of curing agent are 1.5-5.0 parts, and water is 0.5-2.0 part, and the strong bituminous liquids of normal temperature speed are 7.0-10.5
Part；Existing use can either now be mixed using artificial/small-sized drum-type concrete mixer, can be carried out greatly using heated bitumen batching plant again
Scale spice, only pitch and gather materials and need not heat, control aggregate chips sand equivalent > 50%
(3) transport of compound: equally fill in three times during compound entrucking: two ends behind first centre, for preventing compound
Weathering, air-dry, above compound cover Tarpauling；
(4) the paving of compound: paved using mixing the same heated bitumen of hot black top mixture pavement construction usage with heat
Machine, by the way of steel wire guides and controls elevation, before construction, screed and seam crossing road surface, but will be in seam crossings all without heating
Brush pitch strengthens bonding；Work progress is with reference to hot-mixed bitumen pavement construction reference, the transverse joint in the seam of paving concrete pavement
Processed using carvel joint, longitudinal joint adopts inclined-plane joint treatment；
(5) roll: Cold bituminous mixture road surface is rolled using rubber tyre formula road roller, starts when surface layer does not glue wheel
Roll, first gently weigh afterwards, first outside behind inner side, does not bring to a halt on uncompacted surface layer, do not turn around, do not turn, uniformly grind at a slow speed
Pressure, rolled section becomes ladder to advance, and number of rolling is 5-8 time；
(6) detect: after each working section terminates, according to the requirement of jtgf40-2004, carry out compactness, thickness, put down
Whole degree, infiltration coefficient, the coherent detection such as Marshall stability, index system requires fully according to hot-mixed bitumen pavement.
As optimization, fine aggregate 0.075 sieve aperture in the basalt aggregate described in step (2) is 0-3 by percentage,
The requirement that remaining gathers materials executes according to jtg f40-2004.
As optimization, the part of the strong bituminous liquids of the speed of normal temperature described in step (2) includes the weight hundred of sbs aqueous latex
Divide than being 6%-10%, compound blending emulsion is 8%-15%, pitch is 55%-65%, water is 25%-35%.
As optimization, curing agent described in step (2) is by suitable by powder anti-stripping agent, breeze, polymer glue powder, cement
Mass ratio allotment forms.
As optimization, curing agent described in step (2) knock down after with basalt aggregate first dry mixing 10-15 second, Ran Houzai
Put the strong bituminous liquids of normal temperature speed and mix the uniform 40-50 second.
Beneficial effect: Cold bituminous mixture Pavement Construction Equipment completely compatible hot asphalt construction equipment, such as mix sets
Standby, then simpler than the mixing equipment of hot-mix asphalt mixture, it is not required to raw material be heated it is not required that carrying out to compound
Heating, because without firing equipment facility.Former mixing apparatus are directly used.Little for materials, sectional repair at ordinary times
When, small-sized mixing equipment can be used, such as Cement Concrete forces mixer just to solve, very convenient.Cold bituminous mixture road surface
Construction technology, operation identical with the construction technology of hot-mix asphalt mixture, operation, administrative staff, operating personnel need not
Special training.The spreading machine on Cold bituminous mixture road surface, rolling compaction machine, haulage vehicle, identical.It requires completely
With reference to hot-mixed bitumen pavement construction requirement, due to not having temperature control requirement, Heat preservation link is saved, thus more
Convenient.
Specific embodiment
A kind of normal temperature bituminous paving cold mixing cold-application construction technology, comprises the steps:
(1) preparation of construction: the relevant technique preparation before Cold bituminous mixture construction has been constructed with hot-mix asphalt mixture
Exactly the same, according to jtg f40-2004 execution；
(2) mixing: by basalt aggregate, the strong bituminous liquids of normal temperature speed, curing agent and water mixing, feeding sequence is first
Basalt aggregate, secondly curing agent and water, is finally the strong bituminous liquids of normal temperature speed, and the parts by weight of wherein basalt aggregate are
100 parts, the parts by weight of curing agent are 1.5-5.0 parts, and water is 0.5-2.0 part, and the strong bituminous liquids of normal temperature speed are 7.0-10.5
Part；Fine aggregate 0.075 sieve aperture wherein in basalt aggregate is 0-3 by percentage, and the requirement that remaining gathers materials is according to jtg
F40-2004 executes；The percentage by weight that the part of the strong bituminous liquids of normal temperature speed includes sbs aqueous latex is 6%-10%, is combined
Blending emulsion is 8%-15%, and pitch is 55%-65%, and water is 25%-35%；Curing agent is by powder anti-stripping agent, breeze, polymer latex
Powder, cement are formed by the allotment of suitable mass ratio；Curing agent knock down after with basalt aggregate first dry mixing 10-15 second, Ran Houzai
Put the strong bituminous liquids of normal temperature speed and mix the uniform 40-50 second；
(3) transport of compound: equally fill in three times during compound entrucking: two ends behind first centre, for preventing compound
Pollution, above compound cover Tarpauling；
(4) the paving of compound: paved using mixing the same heated bitumen of hot black top mixture pavement construction usage with heat
Machine, by the way of steel wire guides and controls elevation, before construction, screed and seam crossing road surface, but will be in seam crossings all without heating
Brush pitch strengthens bonding；Work progress is with reference to hot-mixed bitumen pavement construction reference, the transverse joint in the seam of paving concrete pavement
Processed using carvel joint, longitudinal joint adopts inclined-plane joint treatment；
(5) roll: Cold bituminous mixture road surface is rolled using rubber tyre formula road roller, starts when surface layer does not glue wheel
Roll, first gently weigh afterwards, first outside behind inner side, does not bring to a halt on uncompacted surface layer, do not turn around, do not turn, uniformly grind at a slow speed
Pressure, rolled section becomes ladder to advance, and number of rolling is 5-8 time；
(6) detect: after each working section terminates, according to the requirement of jtgf40-2004, carry out compactness, thickness, put down
Whole degree, infiltration coefficient, the coherent detection such as Marshall stability, index system requires fully according to hot-mixed bitumen pavement.
With reference to specific embodiment, the invention will be further described:
Embodiment 1
S234 Jianhu section normal temperature asphalt slurry seal coat
First, project scale: 2km(45000) one-level road.
2nd, the engineering time: in July, 2013.
3rd, original road Major Diseases: surface layer serious wear, there are some cracks in length and breadth, wherein transverse crack is in the majority, rut
Deeper 2-3cm.
4th, processing scheme:
(1) milling original surface, reaches elimination rut and gathers around bag；
(2) fracture fills oil and fills out envelope；
(3) overlay normal temperature asphalt slurry seal coat
5th, construction machinery: milling machine one, transport vehicle two, grooving machine, small-sized pouring machine one, hair-dryer one, wind
One, pick machine, 16 tons of rubber-tyred rollers one, 400l Cement Concrete forced mixer one, slurry seal paver one, drip
Blue or green distribution vehicle one.
6th, construction and order:
1st, setting-out: go out boundary of works area with lime line drawing；
2nd, milling: with milling machine milling surface layer, edge pneumatic pick is repaired；
3rd, dedusting: use hair-dryer, broom, spades understands floating dust；
4th, mixing: by basalt aggregate, the strong bituminous liquids of normal temperature speed, curing agent and water mixing, feeding sequence is first
Basalt aggregate, secondly curing agent and water, is finally the strong bituminous liquids of normal temperature speed, and wherein #3 gathers materials (2.36-4.75mm): #4 collection
Material (0.075-2.36mm): curing agent: the strong bituminous liquids of normal temperature speed: water weight ratio=120:80:6:23:12；Wherein basalt
Fine aggregate 0.075 sieve aperture in gathering materials is 0-3 by percentage, and the requirement that remaining gathers materials executes according to jtg f40-2004；Often
The percentage by weight that the part of Wen Suqiang bituminous liquids includes sbs aqueous latex is 6%, and compound blending emulsion is 8%, and pitch is
55%, water is 25%；Curing agent is to be formed by the allotment of suitable mass ratio by powder anti-stripping agent, breeze, polymer glue powder, cement；
Curing agent knock down after with the dry mixing 10 seconds of basalt aggregate elder generation, bituminous liquids mix uniform 40 seconds by force then to put normal temperature speed again；
5th, the transport of compound: equally fill in three times during compound entrucking: two ends behind first centre, for preventing compound
Pollution, covers Tarpauling above compound；
6th, the paving of compound: paved using mixing the same heated bitumen of hot black top mixture pavement construction usage with heat
Machine, by the way of steel wire guides and controls elevation, before construction, screed and seam crossing road surface, but will be in seam crossings all without heating
Brush pitch strengthens bonding；Work progress is with reference to hot-mixed bitumen pavement construction reference, the transverse joint in the seam of paving concrete pavement
Processed using carvel joint, longitudinal joint adopts inclined-plane joint treatment；The specifically first cementation of fissures, with normal temperature pitch cementation of fissures material and small-sized pouring machine
Envelope is filled out to the seam material filling more than 0.2mm；Carry out again spilling sticking layer oil, spray sticking layer oil with pitch sprinkling car, control in 0.5 kg/
㎡；It is finally paving slurry seal, after the solidification of sticking layer oil breakdown of emulsion, spread slurry seal；
7th, roll: Cold bituminous mixture road surface is rolled using rubber tyre formula road roller, starts when surface layer does not glue wheel
Roll, first gently weigh afterwards, first outside behind inner side, does not bring to a halt on uncompacted surface layer, do not turn around, do not turn, uniformly grind at a slow speed
Pressure, rolled section becomes ladder to advance, and number of rolling is 5-8 time；
8th, detect: after each working section terminates, according to the requirement of jtgf40-2004, carry out compactness, thickness, put down
Whole degree, infiltration coefficient, the coherent detection such as Marshall stability, index system requires fully according to hot-mixed bitumen pavement.
7th, repairing effect
1st, using effect: through the use in nearly 9 months of spring autumn and winter in summer, owner evaluates good.
In addition, this project team also all learns rich section in July, 2012 in s331(salt) carry out 7000 square metres similar
Repair (0.5 centimeter of -1.0 centimeters of thickness), be open to traffic substantially intact so far.
Embodiment 2
S331 salt all section Cold bituminous mixture ac-10 surface layers
First, project scale: 850 meters of full width (7650 square metres) second grade highway.
2nd, the engineering time: 5 days on the 3rd December in 2013.
3rd, original road disease: surface layer is more smooth, serious wear, large area is undisguised, has some vertically and horizontally cracks.
4th, processing scheme: embedding is carried out to larger crack, after spilling sticking layer oil, overlays 2.5cmac-10 normal temperature pitch
Mixture surface course.
5th, construction machinery: small-sized pouring machine one, hair-dryer one, pitch sprinkling car one, 400l forced action type stirs machine one
Platform, paver one, 10t steel cylinder formula road roller one, 16t rubber tyred roller two.
6th, construction and order:
1st, clean surface layer, carry out the cementation of fissures.
2nd, spray sticking layer oil.
3rd, the sideline that paves, center line are drawn.
4th, measure absolute altitude.In avris, curved section presses 5m interval nail crooked chisel support, and straightway presses 8m interval nail crooked chisel support,
Make pine paving height thereon, steel wire is fixed on crooked chisel support and is strained by pine paving height, pulling force is not less than 800n.Steel wire is
Turn round wound, diameter is not less than 6mm, the high process control that this steel wire guides for paver.
5th, spice: ac-10 Mixture Ratio is: 1# material (9.5-13.2mm): 2# material (4.75-9.5mm): 3# material
(2.36-4.75mm): 4# material (0-2.36mm): curing agent: normal temperature pitch=5%:20%:25%:50%:3%:9.5%(curing agent and
Normal temperature pitch percentage ratio is outer ratio, and such as bitumen aggregate ratio, wherein bitumen aggregate ratio is conversion or pitch solid content about 6%).
6th, paver paves asphalt.After screed amplitude, frequency, horizontal wall inscription are adjusted, allow the compound mixed thoroughly
Pour the hopper of paver into, open spiral distributor.When compound exceedes spiral distributor 2/3 height, make material jaw opening, carrier bar
Before the speed of feed appliance and the rotational speed matches of spiral distributor, screed, the height of compound is basically identical in the range of overall with
When, start paved mixture.
7th, roll: rolled after not gluing wheel.With rubber tyre formula road roller, roll 5-8 time.
8th, detect: according to jtg f40-2004 about requiring detection: the Cold bituminous mixture mix-design before construction,
Normal temperature pitch raw material detect, optimum oil-stone ratio and Marshall Test etc.；Surface friction coefficient after compacting, infiltration coefficient, thickness
Degree, compactness detection etc..
9th, health: closure construction road surface, open to traffic again after 4 hours.
7th, repairing effect
1st, through detection after repairing: thickness (mm) is 2.35 coefficient of frictions (bpn) is 0.60 infiltration for 78 construction depths (mm)
Coefficient (ml/min) is 5.9.
2nd, through the use in spring in a winter one, respond well, client satisfaction.
Claims (4)
1. a kind of normal temperature bituminous paving cold mixing cold-application construction technology it is characterised in that: comprise the steps:
(1) preparation of construction: the relevant technique preparation before Cold bituminous mixture construction and the hot-mix asphalt mixture complete phase of construction
With according to jtg f40-2004 execution；
(2) mixing: by basalt aggregate, the strong bituminous liquids of normal temperature speed, curing agent and water mixing, feeding sequence is the first Black Warrior
Rock gathers materials, secondly curing agent and water, is finally the strong bituminous liquids of normal temperature speed, and the wherein parts by weight of basalt aggregate are 100 parts,
The parts by weight of curing agent are 1.5-5.0 parts, and water is 0.5-2.0 part, and the strong bituminous liquids of normal temperature speed are 7.0-10.5 part；Described solid
Agent is to be formed by powder anti-stripping agent, breeze, polymer glue powder, cement allotment；
(3) transport of compound: equally fill in three times during compound entrucking: two ends behind first centre, close material and cover waterproof above
Canvas；
(4) the paving of compound: using traditional heated bitumen paver, by the way of steel wire guides and controls elevation, before construction
Screed and seam crossing road surface are all without heating, but will strengthen bonding in seam crossing brush pitch；Work progress is with reference to hot asphalt
Mixture pavement construction reference, the transverse joint in the seam of paving concrete pavement adopts carvel joint to process, longitudinal joint adopts inclined-plane joint treatment；
(5) roll: Cold bituminous mixture road surface is rolled using rubber tyre formula road roller, starts when surface layer does not glue wheel to grind
Pressure, first gently weighs afterwards, and first outside behind inner side, does not bring to a halt on uncompacted surface layer, do not turn around, do not turn, uniformly roll at a slow speed,
Rolled section becomes ladder to advance, and number of rolling is 5-8 time；
(6) detect: after each working section terminates, according to the requirement of jtgf40-2004, carry out compactness, thickness, smooth
Degree, infiltration coefficient, Marshall stability coherent detection, index system requires fully according to hot-mixed bitumen pavement.
2. a kind of normal temperature bituminous paving cold mixing cold-application construction technology according to claim 1 it is characterised in that: step (2)
Described in basalt aggregate in fine aggregate 0.075 sieve aperture by percentage be 0-3, the requirement that remaining gathers materials is according to jtg
F40-2004 executes.
3. a kind of normal temperature bituminous paving cold mixing cold-application construction technology according to claim 1 it is characterised in that: step (2)
Described in the part of the strong bituminous liquids of normal temperature speed to include the percentage by weight of sbs aqueous latex be 6%-10%, be combined blending
Emulsion is 8%-15%, and pitch is 55%-65%, and water is 25%-35%.
4. a kind of normal temperature bituminous paving cold mixing cold-application construction technology according to claim 1 it is characterised in that: step (2)
Described in curing agent knock down after with dry mixing 10-15 second of basalt aggregate elder generation, bituminous liquids are mixed uniformly by force then to put normal temperature speed again
The 40-50 second.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110387780A (en) * | 2019-08-15 | 2019-10-29 | 湖南鑫长胜材料科技有限公司 | A kind of room temperature asphalt pavement construction technique |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106747143A (en) * | 2016-12-22 | 2017-05-31 | 南通福伦利新材料有限公司 | A kind of municipal road and bridge are with the preparation method and its construction procedure of normal temperature material for quickly repairing |
| CN111996860A (en) * | 2020-07-21 | 2020-11-27 | 湖南砼艺市政工程建设有限公司 | Construction process of pavement structure of ecological cold-mixing permeable asphalt structure |
| CN114717899A (en) * | 2022-02-15 | 2022-07-08 | 河南广润建设有限公司 | Winter asphalt pavement hot-mixing warm-paving construction process |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1212956A (en) * | 1998-11-13 | 1999-04-07 | 李思雪 | Normal temp. asphalt mixture |
| CN1376756A (en) * | 2002-04-04 | 2002-10-30 | 鞍山森远高等级公路养护机械制造有限公司 | Sealing adhesive for crack on road |
| JP4074526B2 (en) * | 2003-02-12 | 2008-04-09 | 東邦瓦斯株式会社 | Room temperature asphalt mixture and its construction method |
| CN101475351B (en) * | 2009-01-20 | 2011-11-23 | 钦兰成 | Cold mixing high polymer modified asphalt concrete and preparing method thereof |
| CN102173663B (en) * | 2011-01-10 | 2013-06-12 | 武汉理工大学 | Waterborne epoxy modified emulsified asphalt concrete for steel bridge surface and preparation method thereof |
| CN102190897B (en) * | 2011-03-19 | 2012-08-01 | 重庆诚邦路面材料有限公司 | Water-based road asphalt rehabilitating agent and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110387780A (en) * | 2019-08-15 | 2019-10-29 | 湖南鑫长胜材料科技有限公司 | A kind of room temperature asphalt pavement construction technique |
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Effective date of registration: 20170727 Address after: 226000 No. 788 Century Avenue, Nantong, Jiangsu, Tongzhou District Patentee after: Cai Haijun Address before: 226300 Century Avenue, Tongzhou Economic Development Zone, Jiangsu, China, No. 788, No. Patentee before: Nantong Fulunli New Material Co., Ltd. |